LandGaugeResearch Hub
    State land-research hub

    Washington GIS, zoning, flood and land-research resources

    Move from statewide parcel discovery into the official county sources that control the record, then carry findings and unresolved questions into one Property Review.

    Start a Washington Property Review Browse all Washington counties

    Complete Washington county coverage

    39 of 39 counties are researched and published. Start with the county page, then verify the parcel against the office that owns the underlying record.

    Map showing LandGauge research coverage for all 39 Washington counties
    County boundaries support navigation only. Always confirm the governing jurisdiction and current requirements with the applicable city or county.
    39 counties: published and connected

    Direct county GIS links are used where available. Where systems are fragmented, the page begins with statewide parcel discovery and points back to the county authority for verification.

    Open the county directory

    Washington county research directory

    Every county page connects parcel discovery, official county offices, hazard screening and a prefilled Property Review handoff.

    Adams County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Asotin County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Benton County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Chelan County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Clallam County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Clark County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Columbia County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Cowlitz County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Douglas County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Ferry County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Franklin County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Garfield County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Grant County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Grays Harbor County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Island County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Jefferson County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    King County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Kitsap County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Kittitas County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Klickitat County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Lewis County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Lincoln County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Mason County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Okanogan County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Pacific County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Pend Oreille County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Pierce County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    San Juan County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Skagit County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Skamania County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Snohomish County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Spokane County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Stevens County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Thurston County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Wahkiakum County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Walla Walla County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Whatcom County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Whitman County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Yakima County

    GIS, parcel, zoning, records, flood and terrain resources

    Open county research

    Washington statewide sources

    These official state systems provide useful context, but local zoning and permitting decisions still belong to the applicable city or county.

    Washington Geospatial Open Data Portal

    Search statewide GIS datasets published through Washington's official open-data portal.

    Open official source

    Washington DNR Geologic Information Portal

    Screen geology, hazards, surface geology, lidar and other earth-resource layers.

    Open official source

    Washington Floods and Floodplain Planning

    Use Department of Ecology guidance and Risk MAP resources to understand statewide flood mapping.

    Open official source

    What this hub does—and does not do

    LandGauge organizes authoritative starting points and the next verification step. It does not replace county determinations, surveys, title work, engineering, floodplain administration or professional advice.